Mailbox design



FIG. 1 is a top side perspective view of the mailbox design;

FIG. 2 is a top elevation view;

FIG. 3 is a front elevation view;

FIG. 4 is a side elevation view, the opposite side being a mirror image thereof;

FIG. 5 is a rear elevation view; and,

FIG. 6 is a bottom plan view.

The broken lines in FIGS. 1,2,3,4, and 6 are for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the mailbox design, as shown and described. 